The cash price of Japanese primary copper saw a 3.2 percent drop on April 18, 2012, landing in the mid-$8,300s per metric ton range, and making it the biggest mover of the day. The US copper producer grade 110 price held its value, as did the price of US copper producer grade 102, which showed little movement.
Movement of Chinese copper prices varied. Chinese bright copper scrap prices saw a 1.6 percent decline. After a 0.9 percent increase, the cash price of copper finished the day on the SHFE at CNY 58,400 ($9,266) per metric ton. Chinese copper wire saw its price rise 0.5 percent.
On the LME, the 3-month price of primary copper declined 1.3 percent to $8,015 per metric ton. Also on the LME, the cash price of primary copper fell 0.8 percent to $8,100 per metric ton.